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Is there a way out?

My problem in Maths is only with application of theorems. So please help me by suggesting some ways to do it well. I got 2 theorem questions wrong in my exam. If this is only my problem should I go to some special tuitions for maths to score well? Please help me out

@Vishwathiga Jayasankar
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OIC. For this question you need some theorems which are useful in angle tracing in circles:
arc proportional to subtended angle
angles in semi-circle
And a basic one:
angle sum of triangle
Are you familiar with these theorems?
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展豪 張
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8 months, 1 week ago

@Vishwathiga Jayasankar
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That means your answer is no...
It states that if there are two arcs on a same circle, the ratio of length of these two arcs equals the ratio of the angle (at circumference or at centre, both OK) subtended by these two arcs respectively.
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展豪 張
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8 months, 1 week ago